Which of the following compounds has `Z` configuration ?
(i)

Options

A. (i),(iii)
B. (ii), (iv)
C. (i),(iv)
D. (ii),(iii)

Answer

A

Explanation

Look of the priority order:
(a) `CH_(3) gt H, CH_(3)CH_(2) gt H`
(b) `BrCH_(2) gt CH_(3), CH_(3)CH_(2) gt CH_(3)`
(c ) `Br gt CH_(2)OH, (CH_(3))_(2)CH gt CH_(3)CH_(2)CH_(2)`
(d) `CH_(3)CH_(2) gt H, CH_(2)Cl gt COOH`